181 lines
3.8 KiB
C
181 lines
3.8 KiB
C
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-12-13 balanceTWK add sdcard port file
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* 2019-06-11 WillianChan Add SD card hot plug detection
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*/
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#include <rtthread.h>
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#ifdef BSP_USING_FS
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#if DFS_FILESYSTEMS_MAX < 4
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#error "Please define DFS_FILESYSTEMS_MAX more than 4"
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#endif
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#if DFS_FILESYSTEM_TYPES_MAX < 4
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#error "Please define DFS_FILESYSTEM_TYPES_MAX more than 4"
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#endif
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#include <dfs_fs.h>
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#include "dfs_romfs.h"
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#ifdef BSP_USING_SDCARD_FS
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#include <board.h>
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#include "drv_sdio.h"
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#endif
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#ifdef BSP_USING_SPI_FLASH_FS
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#include "fal.h"
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#endif
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#define DBG_TAG "app.filesystem"
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#define DBG_LVL DBG_INFO
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#include <rtdbg.h>
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static const struct romfs_dirent _romfs_root[] =
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{
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{ROMFS_DIRENT_DIR, "flash", RT_NULL, 0},
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{ROMFS_DIRENT_DIR, "sdcard", RT_NULL, 0}
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};
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const struct romfs_dirent romfs_root =
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{
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ROMFS_DIRENT_DIR, "/", (rt_uint8_t *)_romfs_root, sizeof(_romfs_root) / sizeof(_romfs_root[0])
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};
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#ifdef BSP_USING_SDCARD_FS
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/* SD Card hot plug detection pin */
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#define SD_CHECK_PIN GET_PIN(D, 5)
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static void _sdcard_mount(void)
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{
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rt_device_t device;
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device = rt_device_find("sd0");
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if (device == NULL)
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{
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mmcsd_wait_cd_changed(0);
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sdcard_change();
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mmcsd_wait_cd_changed(RT_WAITING_FOREVER);
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device = rt_device_find("sd0");
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}
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if (device != RT_NULL)
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{
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if (dfs_mount("sd0", "/sdcard", "elm", 0, 0) == RT_EOK)
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{
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LOG_I("sd card mount to '/sdcard'");
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}
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else
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{
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LOG_W("sd card mount to '/sdcard' failed!");
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}
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}
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}
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static void _sdcard_unmount(void)
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{
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rt_thread_mdelay(200);
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dfs_unmount("/sdcard");
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LOG_I("Unmount \"/sdcard\"");
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mmcsd_wait_cd_changed(0);
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sdcard_change();
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mmcsd_wait_cd_changed(RT_WAITING_FOREVER);
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}
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static void sd_mount(void *parameter)
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{
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rt_uint8_t re_sd_check_pin = 1;
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rt_thread_mdelay(200);
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if (rt_pin_read(SD_CHECK_PIN))
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{
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_sdcard_mount();
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}
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while (1)
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{
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rt_thread_mdelay(200);
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if (!re_sd_check_pin && (re_sd_check_pin = rt_pin_read(SD_CHECK_PIN)) != 0)
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{
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_sdcard_mount();
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}
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if (re_sd_check_pin && (re_sd_check_pin = rt_pin_read(SD_CHECK_PIN)) == 0)
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{
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_sdcard_unmount();
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}
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}
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}
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#endif /* BSP_USING_SDCARD_FS */
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int mount_init(void)
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{
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if (dfs_mount(RT_NULL, "/", "rom", 0, &(romfs_root)) != 0)
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{
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LOG_E("rom mount to '/' failed!");
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}
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#ifdef BSP_USING_SPI_FLASH_FS
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struct rt_device *flash_dev = RT_NULL;
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#ifndef RT_USING_WIFI
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fal_init();
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#endif
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flash_dev = fal_mtd_nor_device_create("filesystem");
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if (flash_dev)
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{
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//mount filesystem
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if (dfs_mount(flash_dev->parent.name, "/flash", "lfs", 0, 0) != 0)
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{
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LOG_W("mount to '/flash' failed! try to mkfs %s", flash_dev->parent.name);
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dfs_mkfs("lfs", flash_dev->parent.name);
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if (dfs_mount(flash_dev->parent.name, "/flash", "lfs", 0, 0) == 0)
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{
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LOG_I("mount to '/flash' success!");
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}
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}
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else
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{
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LOG_I("mount to '/flash' success!");
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}
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}
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else
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{
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LOG_E("Can't create block device filesystem or bt_image partition.");
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}
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#endif
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#ifdef BSP_USING_SDCARD_FS
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rt_thread_t tid;
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rt_pin_mode(SD_CHECK_PIN, PIN_MODE_INPUT_PULLUP);
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tid = rt_thread_create("sd_mount", sd_mount, RT_NULL,
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2048, RT_THREAD_PRIORITY_MAX - 2, 20);
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if (tid != RT_NULL)
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{
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rt_thread_startup(tid);
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}
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else
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{
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LOG_E("create sd_mount thread err!");
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}
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#endif
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return RT_EOK;
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}
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INIT_APP_EXPORT(mount_init);
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#endif /* BSP_USING_FS */
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